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Drug Levels

Common Drug levels
Drug Usual therapeutic range
Amikacin Peak: 25-35   trough: 4-8 mcg/ml
aminophylline 10 to 20 mcg/ml
carbamazepine 4 to 12 mcg/ml
amitriptyline 120 to 150 ng/ml
desipramine 150 to 300 ng/ml 
digoxin 0.8 to 2.0 ng/ml   (Steady state: 7- 10 days)
disopyramide 2 to 5 mcg/ml 
ethosuximide 40 to 100 mcg/mL
Gentamicin Conventional dosing: Peak: 4-10 mcg/ml. 
Trough:  0.5 to 2 mcg/ml
lidocaine 1.5 to 6.0 mcg/ml 
lithium 0.5 to 1.3 mEq/L
phenobarbital 10 to 40 mcg/ml   (Steady state: 20-30 days)
phenytoin 10 to 20 mcg/ml 
primidone 5 to 12 mcg/ml
procainamide 4 to 10 mcg/ml    (Steady state: 12 to 18 hours)
quinidine 2 to 5 mcg/ml 
theophylline 10 to 20 mcg/ml
Tobramycin Conventional dosing:  Peak: 4-10 mcg/ml. 
Trough:  0.5 to 2 mcg/ml
valproic acid 40 to 100 mcg/ml   (Steady state: 2-4 days)
Vancomycin Peak: 20-40 mcg/ml   Trough: 10 - 20 mcg/ml

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The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgement. Neither GlobalRPh Inc. nor any other party involved in the preparation of this program shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE. BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER.   Read the disclaimer
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Medical Calculators - A thru Z
Lab Values - A thru Z